[INFO] cloning repository https://github.com/Mshivam2409/rustlings [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Mshivam2409/rustlings" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMshivam2409%2Frustlings", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMshivam2409%2Frustlings'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] e01a05d5e135dea320be3c47c3d50ee93309dce5 [INFO] testing Mshivam2409/rustlings against 1.59.0 for beta-1.60-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMshivam2409%2Frustlings" "/workspace/builds/worker-27/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-27/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/Mshivam2409/rustlings on toolchain 1.59.0 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/Mshivam2409/rustlings [INFO] finished tweaking git repo https://github.com/Mshivam2409/rustlings [INFO] tweaked toml for git repo https://github.com/Mshivam2409/rustlings written to /workspace/builds/worker-27/source/Cargo.toml [INFO] crate git repo https://github.com/Mshivam2409/rustlings already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-27/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-27/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] e61a0208193be474dddfee69fa5bb4113f591991081e9227a89b6b346fa88806 [INFO] running `Command { std: "docker" "start" "-a" "e61a0208193be474dddfee69fa5bb4113f591991081e9227a89b6b346fa88806", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "e61a0208193be474dddfee69fa5bb4113f591991081e9227a89b6b346fa88806", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e61a0208193be474dddfee69fa5bb4113f591991081e9227a89b6b346fa88806", kill_on_drop: false }` [INFO] [stdout] e61a0208193be474dddfee69fa5bb4113f591991081e9227a89b6b346fa88806 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-27/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-27/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] b13653230d91d9a24b16f8a98c1c0f9b46d0f28ccbfa19178ef496aa039cc8c8 [INFO] running `Command { std: "docker" "start" "-a" "b13653230d91d9a24b16f8a98c1c0f9b46d0f28ccbfa19178ef496aa039cc8c8", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.93 [INFO] [stderr] Compiling cfg-if v1.0.0 [INFO] [stderr] Compiling proc-macro2 v1.0.26 [INFO] [stderr] Compiling syn v1.0.70 [INFO] [stderr] Compiling memchr v2.3.4 [INFO] [stderr] Compiling log v0.4.14 [INFO] [stderr] Compiling serde_derive v1.0.125 [INFO] [stderr] Compiling regex-syntax v0.6.23 [INFO] [stderr] Compiling smallvec v1.6.1 [INFO] [stderr] Compiling unicode-segmentation v1.7.1 [INFO] [stderr] Compiling serde v1.0.125 [INFO] [stderr] Compiling unicode-width v0.1.8 [INFO] [stderr] Compiling slab v0.4.3 [INFO] [stderr] Compiling argh_shared v0.1.4 [INFO] [stderr] Compiling num-traits v0.2.14 [INFO] [stderr] Compiling lock_api v0.4.3 [INFO] [stderr] Compiling walkdir v2.3.2 [INFO] [stderr] Compiling instant v0.1.9 [INFO] [stderr] Compiling heck v0.3.2 [INFO] [stderr] Compiling aho-corasick v0.7.15 [INFO] [stderr] Compiling quote v1.0.9 [INFO] [stderr] Compiling iovec v0.1.4 [INFO] [stderr] Compiling parking_lot_core v0.8.3 [INFO] [stderr] Compiling net2 v0.2.37 [INFO] [stderr] Compiling inotify-sys v0.1.5 [INFO] [stderr] Compiling terminal_size v0.1.16 [INFO] [stderr] Compiling termios v0.3.3 [INFO] [stderr] Compiling atty v0.2.14 [INFO] [stderr] Compiling filetime v0.2.14 [INFO] [stderr] Compiling clicolors-control v1.0.1 [INFO] [stderr] Compiling inotify v0.7.1 [INFO] [stderr] Compiling mio v0.6.23 [INFO] [stderr] Compiling parking_lot v0.11.1 [INFO] [stderr] Compiling number_prefix v0.2.8 [INFO] [stderr] Compiling mio-extras v2.0.6 [INFO] [stderr] Compiling regex v1.4.6 [INFO] [stderr] Compiling notify v4.0.16 [INFO] [stderr] Compiling console v0.14.1 [INFO] [stderr] Compiling console v0.7.7 [INFO] [stderr] Compiling indicatif v0.10.3 [INFO] [stderr] Compiling argh_derive v0.1.4 [INFO] [stderr] Compiling argh v0.1.4 [INFO] [stderr] Compiling toml v0.4.10 [INFO] [stderr] Compiling rustlings v4.4.0 (/opt/rustwide/workdir) [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 19.07s [INFO] running `Command { std: "docker" "inspect" "b13653230d91d9a24b16f8a98c1c0f9b46d0f28ccbfa19178ef496aa039cc8c8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b13653230d91d9a24b16f8a98c1c0f9b46d0f28ccbfa19178ef496aa039cc8c8", kill_on_drop: false }` [INFO] [stdout] b13653230d91d9a24b16f8a98c1c0f9b46d0f28ccbfa19178ef496aa039cc8c8 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-27/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-27/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 1d3f7c9614bdc7259168a10b9f9e1797571a3a499adf15645c57857be86c50f3 [INFO] running `Command { std: "docker" "start" "-a" "1d3f7c9614bdc7259168a10b9f9e1797571a3a499adf15645c57857be86c50f3", kill_on_drop: false }` [INFO] [stderr] Compiling serde_json v1.0.64 [INFO] [stderr] Compiling escargot v0.4.0 [INFO] [stderr] Compiling predicates-core v1.0.2 [INFO] [stderr] Compiling itoa v0.4.7 [INFO] [stderr] Compiling difference v2.0.0 [INFO] [stderr] Compiling normalize-line-endings v0.3.0 [INFO] [stderr] Compiling treeline v0.1.0 [INFO] [stderr] Compiling ryu v1.0.5 [INFO] [stderr] Compiling float-cmp v0.8.0 [INFO] [stderr] Compiling predicates-tree v1.0.2 [INFO] [stderr] Compiling predicates v1.0.7 [INFO] [stderr] Compiling assert_cmd v0.11.1 [INFO] [stderr] Compiling rustlings v4.4.0 (/opt/rustwide/workdir) [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 7.26s [INFO] running `Command { std: "docker" "inspect" "1d3f7c9614bdc7259168a10b9f9e1797571a3a499adf15645c57857be86c50f3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1d3f7c9614bdc7259168a10b9f9e1797571a3a499adf15645c57857be86c50f3", kill_on_drop: false }` [INFO] [stdout] 1d3f7c9614bdc7259168a10b9f9e1797571a3a499adf15645c57857be86c50f3 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-27/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-27/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 21452f0c05dcc468c725453a615b3b4cce7dbb4c2fb954568bfac1aa2b4a5f4b [INFO] running `Command { std: "docker" "start" "-a" "21452f0c05dcc468c725453a615b3b4cce7dbb4c2fb954568bfac1aa2b4a5f4b", kill_on_drop: false }` [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.11s [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/rustlings-eb0084748870918a) [INFO] [stdout] [INFO] [stdout] running 4 tests [INFO] [stdout] test exercise::test::test_finished_exercise ... ok [INFO] [stdout] test exercise::test::test_pending_state ... ok [INFO] [stdout] test exercise::test::test_clean ... FAILED [INFO] [stdout] test exercise::test::test_exercise_with_output ... FAILED [INFO] [stdout] [INFO] [stdout] failures: [INFO] [stdout] [INFO] [stdout] ---- exercise::test::test_clean stdout ---- [INFO] [stdout] thread 'exercise::test::test_clean' panicked at 'called `Result::unwrap()` on an `Err` value: Os { code: 30, kind: ReadOnlyFilesystem, message: "Read-only file system" }', src/exercise.rs:270:36 [INFO] [stdout] stack backtrace: [INFO] [stdout] 0: 0x55c113324ddc - std::backtrace_rs::backtrace::libunwind::trace::h91c465e73bf6c785 [INFO] [stdout] at /rustc/9d1b2106e23b1abd32fce1f17267604a5102f57a/library/std/src/../../backtrace/src/backtrace/libunwind.rs:93:5 [INFO] [stdout] 1: 0x55c113324ddc - std::backtrace_rs::backtrace::trace_unsynchronized::hae9da36f5d58b5f3 [INFO] [stdout] at /rustc/9d1b2106e23b1abd32fce1f17267604a5102f57a/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5 [INFO] [stdout] 2: 0x55c113324ddc - std::sys_common::backtrace::_print_fmt::h7f499fa126a7effb [INFO] [stdout] at /rustc/9d1b2106e23b1abd32fce1f17267604a5102f57a/library/std/src/sys_common/backtrace.rs:67:5 [INFO] [stdout] 3: 0x55c113324ddc - ::fmt::h3e2b509ce2ce6007 [INFO] [stdout] at /rustc/9d1b2106e23b1abd32fce1f17267604a5102f57a/library/std/src/sys_common/backtrace.rs:46:22 [INFO] [stdout] 4: 0x55c11334ab2c - core::fmt::write::h753c7571fa063ecb [INFO] [stdout] at /rustc/9d1b2106e23b1abd32fce1f17267604a5102f57a/library/core/src/fmt/mod.rs:1168:17 [INFO] [stdout] 5: 0x55c113320023 - std::io::Write::write_fmt::hb649ab67f71b6655 [INFO] [stdout] at /rustc/9d1b2106e23b1abd32fce1f17267604a5102f57a/library/std/src/io/mod.rs:1660:15 [INFO] [stdout] 6: 0x55c1133274b2 - std::sys_common::backtrace::_print::h64941a6fc8b0ed9b [INFO] [stdout] at /rustc/9d1b2106e23b1abd32fce1f17267604a5102f57a/library/std/src/sys_common/backtrace.rs:49:5 [INFO] [stdout] 7: 0x55c1133274b2 - std::sys_common::backtrace::print::hcf25e43e1a9b0766 [INFO] [stdout] at /rustc/9d1b2106e23b1abd32fce1f17267604a5102f57a/library/std/src/sys_common/backtrace.rs:36:9 [INFO] [stdout] 8: 0x55c1133274b2 - std::panicking::default_hook::{{closure}}::h78d3e6cf97fc623d [INFO] [stdout] at /rustc/9d1b2106e23b1abd32fce1f17267604a5102f57a/library/std/src/panicking.rs:211:50 [INFO] [stdout] 9: 0x55c113327101 - std::panicking::default_hook::hda898f8d3ad1a5ae [INFO] [stdout] at /rustc/9d1b2106e23b1abd32fce1f17267604a5102f57a/library/std/src/panicking.rs:225:9 [INFO] [stdout] 10: 0x55c113327b03 - std::panicking::rust_panic_with_hook::h1a5ea2d6c23051aa [INFO] [stdout] at /rustc/9d1b2106e23b1abd32fce1f17267604a5102f57a/library/std/src/panicking.rs:606:17 [INFO] [stdout] 11: 0x55c113327820 - std::panicking::begin_panic_handler::{{closure}}::h07f549390938b73f [INFO] [stdout] at /rustc/9d1b2106e23b1abd32fce1f17267604a5102f57a/library/std/src/panicking.rs:502:13 [INFO] [stdout] 12: 0x55c113325284 - std::sys_common::backtrace::__rust_end_short_backtrace::h5ec3758a92cfb00d [INFO] [stdout] at /rustc/9d1b2106e23b1abd32fce1f17267604a5102f57a/library/std/src/sys_common/backtrace.rs:139:18 [INFO] [stdout] 13: 0x55c113327559 - rust_begin_unwind [INFO] [stdout] at /rustc/9d1b2106e23b1abd32fce1f17267604a5102f57a/library/std/src/panicking.rs:498:5 [INFO] [stdout] 14: 0x55c113134311 - core::panicking::panic_fmt::h3a79a6a99affe1d5 [INFO] [stdout] at /rustc/9d1b2106e23b1abd32fce1f17267604a5102f57a/library/core/src/panicking.rs:116:14 [INFO] [stdout] 15: 0x55c113134403 - core::result::unwrap_failed::ha0327e3803285d6e [INFO] [stdout] at /rustc/9d1b2106e23b1abd32fce1f17267604a5102f57a/library/core/src/result.rs:1690:5 [INFO] [stdout] 16: 0x55c11313d8bd - core::result::Result::unwrap::h1f7aa5b7febc1a35 [INFO] [stdout] at /rustc/9d1b2106e23b1abd32fce1f17267604a5102f57a/library/core/src/result.rs:1018:23 [INFO] [stdout] 17: 0x55c113141ed3 - rustlings::exercise::test::test_clean::h3c3df3f0260026b7 [INFO] [stdout] at /opt/rustwide/workdir/src/exercise.rs:270:9 [INFO] [stdout] 18: 0x55c113141e8a - rustlings::exercise::test::test_clean::{{closure}}::hb59b32f431da771f [INFO] [stdout] at /opt/rustwide/workdir/src/exercise.rs:269:5 [INFO] [stdout] 19: 0x55c1131400be - core::ops::function::FnOnce::call_once::h0edda89851facbd5 [INFO] [stdout] at /rustc/9d1b2106e23b1abd32fce1f17267604a5102f57a/library/core/src/ops/function.rs:227:5 [INFO] [stdout] 20: 0x55c113176063 - core::ops::function::FnOnce::call_once::h1845a80638abc06e [INFO] [stdout] at /rustc/9d1b2106e23b1abd32fce1f17267604a5102f57a/library/core/src/ops/function.rs:227:5 [INFO] [stdout] 21: 0x55c113176063 - test::__rust_begin_short_backtrace::h4f56ccea01b9889f [INFO] [stdout] at /rustc/9d1b2106e23b1abd32fce1f17267604a5102f57a/library/test/src/lib.rs:574:5 [INFO] [stdout] 22: 0x55c113174d4f - as core::ops::function::FnOnce>::call_once::h5afedf14a39ffa74 [INFO] [stdout] at /rustc/9d1b2106e23b1abd32fce1f17267604a5102f57a/library/alloc/src/boxed.rs:1854:9 [INFO] [stdout] 23: 0x55c113174d4f - as core::ops::function::FnOnce<()>>::call_once::hd5aaa1b551e9ce71 [INFO] [stdout] at /rustc/9d1b2106e23b1abd32fce1f17267604a5102f57a/library/core/src/panic/unwind_safe.rs:271:9 [INFO] [stdout] 24: 0x55c113174d4f - std::panicking::try::do_call::h316eebee63f96d32 [INFO] [stdout] at /rustc/9d1b2106e23b1abd32fce1f17267604a5102f57a/library/std/src/panicking.rs:406:40 [INFO] [stdout] 25: 0x55c113174d4f - std::panicking::try::h662e31e84dd7ce52 [INFO] [stdout] at /rustc/9d1b2106e23b1abd32fce1f17267604a5102f57a/library/std/src/panicking.rs:370:19 [INFO] [stdout] 26: 0x55c113174d4f - std::panic::catch_unwind::h129c1b23f076663f [INFO] [stdout] at /rustc/9d1b2106e23b1abd32fce1f17267604a5102f57a/library/std/src/panic.rs:133:14 [INFO] [stdout] 27: 0x55c113174d4f - test::run_test_in_process::h51d800d572f878ef [INFO] [stdout] at /rustc/9d1b2106e23b1abd32fce1f17267604a5102f57a/library/test/src/lib.rs:597:18 [INFO] [stdout] 28: 0x55c113174d4f - test::run_test::run_test_inner::{{closure}}::h71a47db430260854 [INFO] [stdout] at /rustc/9d1b2106e23b1abd32fce1f17267604a5102f57a/library/test/src/lib.rs:491:39 [INFO] [stdout] 29: 0x55c11317e111 - test::run_test::run_test_inner::{{closure}}::h02edd5b3e2dab52a [INFO] [stdout] at /rustc/9d1b2106e23b1abd32fce1f17267604a5102f57a/library/test/src/lib.rs:518:37 [INFO] [stdout] 30: 0x55c11317e111 - std::sys_common::backtrace::__rust_begin_short_backtrace::h0838cfc8b0e995ec [INFO] [stdout] at /rustc/9d1b2106e23b1abd32fce1f17267604a5102f57a/library/std/src/sys_common/backtrace.rs:123:18 [INFO] [stdout] 31: 0x55c11314ab9f - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::h4c2725d7078043cd [INFO] [stdout] at /rustc/9d1b2106e23b1abd32fce1f17267604a5102f57a/library/std/src/thread/mod.rs:477:17 [INFO] [stdout] 32: 0x55c11314ab9f - as core::ops::function::FnOnce<()>>::call_once::hdf1aa612eed87270 [INFO] [stdout] at /rustc/9d1b2106e23b1abd32fce1f17267604a5102f57a/library/core/src/panic/unwind_safe.rs:271:9 [INFO] [stdout] 33: 0x55c11314ab9f - std::panicking::try::do_call::hc72f8de3706d18d6 [INFO] [stdout] at /rustc/9d1b2106e23b1abd32fce1f17267604a5102f57a/library/std/src/panicking.rs:406:40 [INFO] [stdout] 34: 0x55c11314ab9f - std::panicking::try::h63f01f54dbd0fb87 [INFO] [stdout] at /rustc/9d1b2106e23b1abd32fce1f17267604a5102f57a/library/std/src/panicking.rs:370:19 [INFO] [stdout] 35: 0x55c11314ab9f - std::panic::catch_unwind::h58bc464ae9b26453 [INFO] [stdout] at /rustc/9d1b2106e23b1abd32fce1f17267604a5102f57a/library/std/src/panic.rs:133:14 [INFO] [stdout] 36: 0x55c11314ab9f - std::thread::Builder::spawn_unchecked::{{closure}}::h6c065e19513e33e3 [INFO] [stdout] at /rustc/9d1b2106e23b1abd32fce1f17267604a5102f57a/library/std/src/thread/mod.rs:476:30 [INFO] [stdout] 37: 0x55c11314ab9f - core::ops::function::FnOnce::call_once{{vtable.shim}}::hd143450c74f35c32 [INFO] [stdout] at /rustc/9d1b2106e23b1abd32fce1f17267604a5102f57a/library/core/src/ops/function.rs:227:5 [INFO] [stdout] 38: 0x55c11332d8a3 - as core::ops::function::FnOnce>::call_once::h49b6c7c5155a2296 [INFO] [stdout] at /rustc/9d1b2106e23b1abd32fce1f17267604a5102f57a/library/alloc/src/boxed.rs:1854:9 [INFO] [stdout] 39: 0x55c11332d8a3 - as core::ops::function::FnOnce>::call_once::ha8b5234bfeb15105 [INFO] [stdout] at /rustc/9d1b2106e23b1abd32fce1f17267604a5102f57a/library/alloc/src/boxed.rs:1854:9 [INFO] [stdout] 40: 0x55c11332d8a3 - std::sys::unix::thread::Thread::new::thread_start::h6f207dd842d64859 [INFO] [stdout] at /rustc/9d1b2106e23b1abd32fce1f17267604a5102f57a/library/std/src/sys/unix/thread.rs:108:17 [INFO] [stdout] 41: 0x7fe261ac3609 - start_thread [INFO] [stdout] 42: 0x7fe261c1a293 - clone [INFO] [stdout] 43: 0x0 - [INFO] [stdout] [INFO] [stdout] ---- exercise::test::test_exercise_with_output stdout ---- [INFO] [stdout] thread 'exercise::test::test_exercise_with_output' panicked at 'called `Result::unwrap()` on an `Err` value: ExerciseOutput { stdout: "", stderr: "\u{1b}[0m\u{1b}[1m\u{1b}[38;5;9merror\u{1b}[0m\u{1b}[0m\u{1b}[1m: could not write output to ./temp_8_ThreadId3.3z6czhrz7aa4ku42.rcgu.o: Read-only file system\u{1b}[0m\n\n\u{1b}[0m\u{1b}[1m\u{1b}[38;5;9merror\u{1b}[0m\u{1b}[0m\u{1b}[1m: aborting due to previous error\u{1b}[0m\n\n" }', src/exercise.rs:343:38 [INFO] [stdout] stack backtrace: [INFO] [stdout] 0: 0x55c113324ddc - std::backtrace_rs::backtrace::libunwind::trace::h91c465e73bf6c785 [INFO] [stdout] at /rustc/9d1b2106e23b1abd32fce1f17267604a5102f57a/library/std/src/../../backtrace/src/backtrace/libunwind.rs:93:5 [INFO] [stdout] 1: 0x55c113324ddc - std::backtrace_rs::backtrace::trace_unsynchronized::hae9da36f5d58b5f3 [INFO] [stdout] at /rustc/9d1b2106e23b1abd32fce1f17267604a5102f57a/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5 [INFO] [stdout] 2: 0x55c113324ddc - std::sys_common::backtrace::_print_fmt::h7f499fa126a7effb [INFO] [stdout] at /rustc/9d1b2106e23b1abd32fce1f17267604a5102f57a/library/std/src/sys_common/backtrace.rs:67:5 [INFO] [stdout] 3: 0x55c113324ddc - ::fmt::h3e2b509ce2ce6007 [INFO] [stdout] at /rustc/9d1b2106e23b1abd32fce1f17267604a5102f57a/library/std/src/sys_common/backtrace.rs:46:22 [INFO] [stdout] 4: 0x55c11334ab2c - core::fmt::write::h753c7571fa063ecb [INFO] [stdout] at /rustc/9d1b2106e23b1abd32fce1f17267604a5102f57a/library/core/src/fmt/mod.rs:1168:17 [INFO] [stdout] 5: 0x55c113320023 - std::io::Write::write_fmt::hb649ab67f71b6655 [INFO] [stdout] at /rustc/9d1b2106e23b1abd32fce1f17267604a5102f57a/library/std/src/io/mod.rs:1660:15 [INFO] [stdout] 6: 0x55c1133274b2 - std::sys_common::backtrace::_print::h64941a6fc8b0ed9b [INFO] [stdout] at /rustc/9d1b2106e23b1abd32fce1f17267604a5102f57a/library/std/src/sys_common/backtrace.rs:49:5 [INFO] [stdout] 7: 0x55c1133274b2 - std::sys_common::backtrace::print::hcf25e43e1a9b0766 [INFO] [stdout] at /rustc/9d1b2106e23b1abd32fce1f17267604a5102f57a/library/std/src/sys_common/backtrace.rs:36:9 [INFO] [stdout] 8: 0x55c1133274b2 - std::panicking::default_hook::{{closure}}::h78d3e6cf97fc623d [INFO] [stdout] at /rustc/9d1b2106e23b1abd32fce1f17267604a5102f57a/library/std/src/panicking.rs:211:50 [INFO] [stdout] 9: 0x55c113327101 - std::panicking::default_hook::hda898f8d3ad1a5ae [INFO] [stdout] at /rustc/9d1b2106e23b1abd32fce1f17267604a5102f57a/library/std/src/panicking.rs:225:9 [INFO] [stdout] 10: 0x55c113327b03 - std::panicking::rust_panic_with_hook::h1a5ea2d6c23051aa [INFO] [stdout] at /rustc/9d1b2106e23b1abd32fce1f17267604a5102f57a/library/std/src/panicking.rs:606:17 [INFO] [stdout] 11: 0x55c113327820 - std::panicking::begin_panic_handler::{{closure}}::h07f549390938b73f [INFO] [stdout] at /rustc/9d1b2106e23b1abd32fce1f17267604a5102f57a/library/std/src/panicking.rs:502:13 [INFO] [stdout] 12: 0x55c113325284 - std::sys_common::backtrace::__rust_end_short_backtrace::h5ec3758a92cfb00d [INFO] [stdout] at /rustc/9d1b2106e23b1abd32fce1f17267604a5102f57a/library/std/src/sys_common/backtrace.rs:139:18 [INFO] [stdout] 13: 0x55c113327559 - rust_begin_unwind [INFO] [stdout] at /rustc/9d1b2106e23b1abd32fce1f17267604a5102f57a/library/std/src/panicking.rs:498:5 [INFO] [stdout] 14: 0x55c113134311 - core::panicking::panic_fmt::h3a79a6a99affe1d5 [INFO] [stdout] at /rustc/9d1b2106e23b1abd32fce1f17267604a5102f57a/library/core/src/panicking.rs:116:14 [INFO] [stdout] 15: 0x55c113134403 - core::result::unwrap_failed::ha0327e3803285d6e [INFO] [stdout] at /rustc/9d1b2106e23b1abd32fce1f17267604a5102f57a/library/core/src/result.rs:1690:5 [INFO] [stdout] 16: 0x55c11313d962 - core::result::Result::unwrap::h68d226a6c411c259 [INFO] [stdout] at /rustc/9d1b2106e23b1abd32fce1f17267604a5102f57a/library/core/src/result.rs:1018:23 [INFO] [stdout] 17: 0x55c113142afc - rustlings::exercise::test::test_exercise_with_output::h035152ff6a3b7808 [INFO] [stdout] at /opt/rustwide/workdir/src/exercise.rs:343:19 [INFO] [stdout] 18: 0x55c1131429ba - rustlings::exercise::test::test_exercise_with_output::{{closure}}::ha8ad22eb5c21202a [INFO] [stdout] at /opt/rustwide/workdir/src/exercise.rs:336:5 [INFO] [stdout] 19: 0x55c11314020e - core::ops::function::FnOnce::call_once::hf749fc0d10c0918f [INFO] [stdout] at /rustc/9d1b2106e23b1abd32fce1f17267604a5102f57a/library/core/src/ops/function.rs:227:5 [INFO] [stdout] 20: 0x55c113176063 - core::ops::function::FnOnce::call_once::h1845a80638abc06e [INFO] [stdout] at /rustc/9d1b2106e23b1abd32fce1f17267604a5102f57a/library/core/src/ops/function.rs:227:5 [INFO] [stdout] 21: 0x55c113176063 - test::__rust_begin_short_backtrace::h4f56ccea01b9889f [INFO] [stdout] at /rustc/9d1b2106e23b1abd32fce1f17267604a5102f57a/library/test/src/lib.rs:574:5 [INFO] [stdout] 22: 0x55c113174d4f - as core::ops::function::FnOnce>::call_once::h5afedf14a39ffa74 [INFO] [stdout] at /rustc/9d1b2106e23b1abd32fce1f17267604a5102f57a/library/alloc/src/boxed.rs:1854:9 [INFO] [stdout] 23: 0x55c113174d4f - as core::ops::function::FnOnce<()>>::call_once::hd5aaa1b551e9ce71 [INFO] [stdout] at /rustc/9d1b2106e23b1abd32fce1f17267604a5102f57a/library/core/src/panic/unwind_safe.rs:271:9 [INFO] [stdout] 24: 0x55c113174d4f - std::panicking::try::do_call::h316eebee63f96d32 [INFO] [stdout] at /rustc/9d1b2106e23b1abd32fce1f17267604a5102f57a/library/std/src/panicking.rs:406:40 [INFO] [stdout] 25: 0x55c113174d4f - std::panicking::try::h662e31e84dd7ce52 [INFO] [stdout] at /rustc/9d1b2106e23b1abd32fce1f17267604a5102f57a/library/std/src/panicking.rs:370:19 [INFO] [stdout] 26: 0x55c113174d4f - std::panic::catch_unwind::h129c1b23f076663f [INFO] [stdout] at /rustc/9d1b2106e23b1abd32fce1f17267604a5102f57a/library/std/src/panic.rs:133:14 [INFO] [stdout] 27: 0x55c113174d4f - test::run_test_in_process::h51d800d572f878ef [INFO] [stdout] at /rustc/9d1b2106e23b1abd32fce1f17267604a5102f57a/library/test/src/lib.rs:597:18 [INFO] [stdout] 28: 0x55c113174d4f - test::run_test::run_test_inner::{{closure}}::h71a47db430260854 [INFO] [stdout] at /rustc/9d1b2106e23b1abd32fce1f17267604a5102f57a/library/test/src/lib.rs:491:39 [INFO] [stdout] 29: 0x55c11317e111 - test::run_test::run_test_inner::{{closure}}::h02edd5b3e2dab52a [INFO] [stdout] at /rustc/9d1b2106e23b1abd32fce1f17267604a5102f57a/library/test/src/lib.rs:518:37 [INFO] [stdout] 30: 0x55c11317e111 - std::sys_common::backtrace::__rust_begin_short_backtrace::h0838cfc8b0e995ec [INFO] [stdout] at /rustc/9d1b2106e23b1abd32fce1f17267604a5102f57a/library/std/src/sys_common/backtrace.rs:123:18 [INFO] [stdout] 31: 0x55c11314ab9f - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::h4c2725d7078043cd [INFO] [stdout] at /rustc/9d1b2106e23b1abd32fce1f17267604a5102f57a/library/std/src/thread/mod.rs:477:17 [INFO] [stdout] 32: 0x55c11314ab9f - as core::ops::function::FnOnce<()>>::call_once::hdf1aa612eed87270 [INFO] [stdout] at /rustc/9d1b2106e23b1abd32fce1f17267604a5102f57a/library/core/src/panic/unwind_safe.rs:271:9 [INFO] [stdout] 33: 0x55c11314ab9f - std::panicking::try::do_call::hc72f8de3706d18d6 [INFO] [stdout] at /rustc/9d1b2106e23b1abd32fce1f17267604a5102f57a/library/std/src/panicking.rs:406:40 [INFO] [stdout] 34: 0x55c11314ab9f - std::panicking::try::h63f01f54dbd0fb87 [INFO] [stdout] at /rustc/9d1b2106e23b1abd32fce1f17267604a5102f57a/library/std/src/panicking.rs:370:19 [INFO] [stdout] 35: 0x55c11314ab9f - std::panic::catch_unwind::h58bc464ae9b26453 [INFO] [stdout] at /rustc/9d1b2106e23b1abd32fce1f17267604a5102f57a/library/std/src/panic.rs:133:14 [INFO] [stdout] 36: 0x55c11314ab9f - std::thread::Builder::spawn_unchecked::{{closure}}::h6c065e19513e33e3 [INFO] [stdout] at /rustc/9d1b2106e23b1abd32fce1f17267604a5102f57a/library/std/src/thread/mod.rs:476:30 [INFO] [stdout] 37: 0x55c11314ab9f - core::ops::function::FnOnce::call_once{{vtable.shim}}::hd143450c74f35c32 [INFO] [stdout] at /rustc/9d1b2106e23b1abd32fce1f17267604a5102f57a/library/core/src/ops/function.rs:227:5 [INFO] [stdout] 38: 0x55c11332d8a3 - as core::ops::function::FnOnce>::call_once::h49b6c7c5155a2296 [INFO] [stdout] at /rustc/9d1b2106e23b1abd32fce1f17267604a5102f57a/library/alloc/src/boxed.rs:1854:9 [INFO] [stdout] 39: 0x55c11332d8a3 - as core::ops::function::FnOnce>::call_once::ha8b5234bfeb15105 [INFO] [stdout] at /rustc/9d1b2106e23b1abd32fce1f17267604a5102f57a/library/alloc/src/boxed.rs:1854:9 [INFO] [stdout] 40: 0x55c11332d8a3 - std::sys::unix::thread::Thread::new::thread_start::h6f207dd842d64859 [INFO] [stdout] at /rustc/9d1b2106e23b1abd32fce1f17267604a5102f57a/library/std/src/sys/unix/thread.rs:108:17 [INFO] [stdout] 41: 0x7fe261ac3609 - start_thread [INFO] [stdout] 42: 0x7fe261c1a293 - clone [INFO] [stdout] 43: 0x0 - [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] failures: [INFO] [stdout] exercise::test::test_clean [INFO] [stdout] exercise::test::test_exercise_with_output [INFO] [stdout] [INFO] [stdout] test result: FAILED. 2 passed; 2 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.15s [INFO] [stdout] [INFO] [stderr] error: test failed, to rerun pass '--bin rustlings' [INFO] running `Command { std: "docker" "inspect" "21452f0c05dcc468c725453a615b3b4cce7dbb4c2fb954568bfac1aa2b4a5f4b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "21452f0c05dcc468c725453a615b3b4cce7dbb4c2fb954568bfac1aa2b4a5f4b", kill_on_drop: false }` [INFO] [stdout] 21452f0c05dcc468c725453a615b3b4cce7dbb4c2fb954568bfac1aa2b4a5f4b